1 /* linux/arch/arm/plat-s5p/cpu.c
3 * Copyright (c) 2009 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/init.h>
14 #include <linux/module.h>
16 #include <asm/mach/arch.h>
17 #include <asm/mach/map.h>
18 #include <mach/regs-clock.h>
20 #include <plat/s5p6440.h>
21 #include <plat/s5p6442.h>
22 #include <plat/s5p6450.h>
23 #include <plat/s5pc100.h>
24 #include <plat/s5pv210.h>
25 #include <plat/s5pv310.h>
27 /* table of supported CPUs */
29 static const char name_s5p6440[] = "S5P6440";
30 static const char name_s5p6442[] = "S5P6442";
31 static const char name_s5p6450[] = "S5P6450";
32 static const char name_s5pc100[] = "S5PC100";
33 static const char name_s5pv210[] = "S5PV210/S5PC110";
34 static const char name_s5pv310[] = "S5PV310";
36 static struct cpu_table cpu_ids[] __initdata = {
40 .map_io = s5p6440_map_io,
41 .init_clocks = s5p6440_init_clocks,
42 .init_uarts = s5p6440_init_uarts,
48 .map_io = s5p6442_map_io,
49 .init_clocks = s5p6442_init_clocks,
50 .init_uarts = s5p6442_init_uarts,
56 .map_io = s5p6450_map_io,
57 .init_clocks = s5p6450_init_clocks,
58 .init_uarts = s5p6450_init_uarts,
64 .map_io = s5pc100_map_io,
65 .init_clocks = s5pc100_init_clocks,
66 .init_uarts = s5pc100_init_uarts,
72 .map_io = s5pv210_map_io,
73 .init_clocks = s5pv210_init_clocks,
74 .init_uarts = s5pv210_init_uarts,
80 .map_io = s5pv310_map_io,
81 .init_clocks = s5pv310_init_clocks,
82 .init_uarts = s5pv310_init_uarts,
88 /* minimal IO mapping */
90 static struct map_desc s5p_iodesc[] __initdata = {
92 .virtual = (unsigned long)S5P_VA_CHIPID,
93 .pfn = __phys_to_pfn(S5P_PA_CHIPID),
97 .virtual = (unsigned long)S3C_VA_SYS,
98 .pfn = __phys_to_pfn(S5P_PA_SYSCON),
102 .virtual = (unsigned long)S3C_VA_TIMER,
103 .pfn = __phys_to_pfn(S5P_PA_TIMER),
107 .virtual = (unsigned long)S3C_VA_WATCHDOG,
108 .pfn = __phys_to_pfn(S3C_PA_WDT),
114 /* read cpu identification code */
116 void __init s5p_init_io(struct map_desc *mach_desc,
117 int size, void __iomem *cpuid_addr)
119 unsigned long idcode;
121 /* initialize the io descriptors we need for initialization */
122 iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc));
124 iotable_init(mach_desc, size);
126 idcode = __raw_readl(cpuid_addr);
127 s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));